Home / 18,829.98-25,984.48-10,331.91

Finding the Fourth Proportional to 18,829.98, 25,984.48 and 10,331.91

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Solution

The fourth proportional to 18,829.98, 25,984.48 and 10,331.91 is: 14,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.98 : 25,984.48 = 10,331.91 : x
  2. Step 2: Convert to fraction form
    18,829.98/25,984.48 = 10,331.91/x
  3. Step 3: Cross multiply
    18,829.98x = 25,984.48 × 10,331.91
  4. Step 4: Simplify right side
    18,829.98x = 268,469,308.76
  5. Step 5: Solve for x
    x = 268,469,308.76/18,829.98
  6. Step 6: Final answer
    x = 14,257.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.